Advanced Power

Electronics Corp.

AP1270

ABSOLUTE MAXIMUM RATINGS

(Note1)

Lead Temperature (Soldering, 10sec.) ----------------

260°C

ESOP-8

28°C/W

TO-252-5L

6°C/W

Note1 : Exceeding the absolute maximum rating may damage the device.

OPERATING RATING

(Note2)

-40 to +85°C

Note2 : The device is not guaranteed to function outside its operating conditions.

ORDERING / PACKAGE INFORMATION

Parameter

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

VCNTL Operation Current

-

1

2.5

mA

Standby Current

-

50

90

uA

Output Offset Voltage

(Note3)

-20

-

20

-20

-

20

-20

-

20

Current Limit

3.2

-

-

A

Thermal Shutdown Temperature

3.3V < VCNTL < 5V

130

160

-

Thermal Shutdown Hysteresis

ΔT

SD

3.3V < VCNTL < 5V

-

30

-

Enable

0.65

-

-

Shutdown

-

-

0.2

Note4. Regulation is measured at constant junction temperature by using a 5ms current pulse. Devices are tested for load regulation

in the load range from 0A to 3A.

2

ELECTRICAL SPECIFICATIONS

Input

Output (DDR / DDRII / DDRIII)

Load Regulation

(Note4)

ΔV

Load

mV

Protection

REFEN Shutdown

Shutdown Threshold

V

( Top View )

1

2

3

4

8

7

6

5

REFEN

ESOP-8

NC

NC

GND

VIN

NC

VCNTL

VOUT

GND

AP1270X-HF

MP : ESOP-8

Halogen-Free

H : TO-252-5L

TO-252-5L

1VIN

4VREFEN

3VCNTL

2GND

5VOUT

( Top View )

(Side View )

Metal

Tab

VCNTL